| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 580 | 17.549,85 | 30,26 | 2 |
| 2007 | 241 | 12.592,50 | 52,25 | 1 |
| 2008 | 276 | 12.401,34 | 44,93 | 2 |
| 2009 | 282 | 9.501,04 | 33,69 | 4 |
| 2010 | 255 | 6.821,89 | 26,75 | 4 |
| 2011 | 95 | 1.503,36 | 15,82 | 3 |
| 2012 | 258 | 3.813,01 | 14,78 | 4 |
| 2013 | 246 | 3.793,57 | 15,42 | 5 |
| 2014 | 242 | 4.436,94 | 18,33 | 5 |
| 2015 | 249 | 4.810,65 | 19,32 | 5 |
| 2016 | 262 | 4.883,21 | 18,64 | 5 |
| 2017 | 257 | 5.475,34 | 21,30 | 5 |
| 2018 | 303 | 6.776,88 | 22,37 | 6 |
| 2019 | 301 | 6.651,85 | 22,10 | 6 |
| 2020 | 279 | 6.280,51 | 22,51 | 6 |
| 2021 | 264 | 5.622,42 | 21,30 | 6 |
| 2022 | 230 | 5.394,26 | 23,45 | 6 |
| 2023 | 237 | 5.568,85 | 23,50 | 6 |
| 2024 | 203 | 4.486,96 | 22,10 | 5 |
| totale | 5.060 | 128.364,43 | 25,37 | 86 |